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    Subject[PATCH v8 33/70] parisc: remove mmap linked list from cache handling
    Date
    From: "Matthew Wilcox (Oracle)" <willy@infradead.org>

    Use the VMA iterator instead.

    Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
    Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
    Acked-by: Vlastimil Babka <vbabka@suse.cz>
    ---
    arch/parisc/kernel/cache.c | 7 +++++--
    1 file changed, 5 insertions(+), 2 deletions(-)

    diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
    index 23348199f3f8..ab7c789541bf 100644
    --- a/arch/parisc/kernel/cache.c
    +++ b/arch/parisc/kernel/cache.c
    @@ -536,9 +536,11 @@ static inline unsigned long mm_total_size(struct mm_struct *mm)
    {
    struct vm_area_struct *vma;
    unsigned long usize = 0;
    + VMA_ITERATOR(vmi, mm, 0);

    - for (vma = mm->mmap; vma; vma = vma->vm_next)
    + for_each_vma(vmi, vma)
    usize += vma->vm_end - vma->vm_start;
    +
    return usize;
    }

    @@ -578,6 +580,7 @@ static void flush_cache_pages(struct vm_area_struct *vma, struct mm_struct *mm,
    void flush_cache_mm(struct mm_struct *mm)
    {
    struct vm_area_struct *vma;
    + VMA_ITERATOR(vmi, mm, 0);

    /* Flushing the whole cache on each cpu takes forever on
    rp3440, etc. So, avoid it if the mm isn't too big. */
    @@ -589,7 +592,7 @@ void flush_cache_mm(struct mm_struct *mm)
    return;
    }

    - for (vma = mm->mmap; vma; vma = vma->vm_next)
    + for_each_vma(vmi, vma)
    flush_cache_pages(vma, mm, vma->vm_start, vma->vm_end);
    }

    --
    2.35.1
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